Based on the blockbuster Warner Bros. Pictures film starring Christian Bale and Heath Ledger. . .Allied with both the police department and the district attorney’s office, the vigilante known as Batman continues to bring justice and hope to Gotham City. . .But one man dares to mock Batman’s mission. A man with a twisted sense of humor. A man whose grotesque smile is reflected on the calling card he leaves at the scene of his crimes: The Joker.